From d7971551254013c0c53fdbb4ecc115dcd57ca939 Mon Sep 17 00:00:00 2001 From: Jordan Justen Date: Mon, 30 May 2016 18:52:11 -0700 Subject: [PATCH] MdePkg BaseMemoryLibRepStr: Convert X64/ScanMem64.asm to NASM The BaseTools/Scripts/ConvertMasmToNasm.py script was used to convert X64/ScanMem64.asm to X64/ScanMem64.nasm Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Jordan Justen --- .../BaseMemoryLibRepStr.inf | 2 + .../BaseMemoryLibRepStr/X64/ScanMem64.nasm | 55 +++++++++++++++++++ 2 files changed, 57 insertions(+) create mode 100644 MdePkg/Library/BaseMemoryLibRepStr/X64/ScanMem64.nasm diff --git a/MdePkg/Library/BaseMemoryLibRepStr/BaseMemoryLibRepStr.inf b/MdePkg/Library/BaseMemoryLibRepStr/BaseMemoryLibRepStr.inf index d7e60ffdf9..2451192f59 100644 --- a/MdePkg/Library/BaseMemoryLibRepStr/BaseMemoryLibRepStr.inf +++ b/MdePkg/Library/BaseMemoryLibRepStr/BaseMemoryLibRepStr.inf @@ -92,6 +92,7 @@ Ia32/CopyMem.asm [Sources.X64] + X64/ScanMem64.nasm X64/ScanMem64.S X64/ScanMem32.S X64/ScanMem16.S @@ -103,6 +104,7 @@ X64/SetMem16.S X64/SetMem.S X64/CopyMem.S + X64/ScanMem64.nasm X64/ScanMem64.asm X64/ScanMem32.asm X64/ScanMem16.asm diff --git a/MdePkg/Library/BaseMemoryLibRepStr/X64/ScanMem64.nasm b/MdePkg/Library/BaseMemoryLibRepStr/X64/ScanMem64.nasm new file mode 100644 index 0000000000..7efcf6a7bd --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibRepStr/X64/ScanMem64.nasm @@ -0,0 +1,55 @@ +;------------------------------------------------------------------------------ +; +; Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.
+; This program and the accompanying materials +; are licensed and made available under the terms and conditions of the BSD License +; which accompanies this distribution. The full text of the license may be found at +; http://opensource.org/licenses/bsd-license.php. +; +; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, +; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. +; +; Module Name: +; +; ScanMem64.Asm +; +; Abstract: +; +; ScanMem64 function +; +; Notes: +; +; The following BaseMemoryLib instances contain the same copy of this file: +; +; BaseMemoryLibRepStr +; BaseMemoryLibMmx +; BaseMemoryLibSse2 +; BaseMemoryLibOptDxe +; BaseMemoryLibOptPei +; +;------------------------------------------------------------------------------ + + DEFAULT REL + SECTION .text + +;------------------------------------------------------------------------------ +; CONST VOID * +; EFIAPI +; InternalMemScanMem64 ( +; IN CONST VOID *Buffer, +; IN UINTN Length, +; IN UINT64 Value +; ); +;------------------------------------------------------------------------------ +global ASM_PFX(InternalMemScanMem64) +ASM_PFX(InternalMemScanMem64): + push rdi + mov rdi, rcx + mov rax, r8 + mov rcx, rdx + repne scasq + lea rax, [rdi - 8] + cmovnz rax, rcx + pop rdi + ret + -- 2.39.2